Initial support for variadic macros
Print ~~~ at start of console output.
Some cleanup in the reporter code
Build 26
Merge commit 'c0b698073e5e69204b6c5468a74ce5cfdc8e65fa' into merge-up-int

Conflicts:
	include/internal/catch_test_case_registry_impl.hpp
Merge commit 'a46ee0222a2db8340e4efe63eb9e9f7a7e20bf75' into merge-up-int

Conflicts:
	include/reporters/catch_reporter_console.hpp
Build 26